This app is scientific calculator packaged with currency converter and unit converter. It offers many powerful and super useful features such as full expression display in multiple lines allowing you to review what you have entered and to easily check any entry errors. It comes with cursor support, making it even easier to edit an entry. In addition to the aesthetic user interface, the app can instantly detect and indicate invalid entries. It also supports full editing options: Undo, Redo, Select, Select All, Cut, Copy, Paste, and Cancel. Moreover, the app is equipped with playful and unique button tap sound and haptic effects, both mutable (note: haptic effects are only available on iPhone 7 & plus and all later iPhone models).

== Scientific Calculator ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• (Inverse) trigonometric functions: sin, cos, tan, asin, acos, atan (radian & degree)
• (Inverse) hyperbolic functions: sinh, cosh, tanh, asinh, acosh, atanh
• Constants: e, π
• Scientific notation E: this convenient feature allows you to enter numbers in the format of scientific notation, such as, 1.8E6 or 2.21E-10
• Roots: square root, cubic root
• Power & exponential functions: x^2, x^3, x^y, 2^x, 3^x, 10^x, e^x
• Logarithmic functions: ln, log2, log10
• Absolute value: |x|

== Currency Converter ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• Converts back-and-forth and does calculation as well
• Supports daily update for 37 major world currencies (AUD, BGN, BRL, CAD, CHF, CNY, CZK, DKK, EUR, GBP, HKD, HRK, HUF, IDR, ILS, INR, ISK, JPY, KRW, LKR, MXN, MYR, NOK, NZD, PEN, PHP, PLN, RON, RUB, SAR, SEK, SGD, THB, TRY, TWD, USD, ZAR)
• Supports offline conversion. When there is no internet connection, last downloaded currency exchange rates are available for conversion.
• Daily currency exchange rates are downloaded from three trusted sources: the U.S. Federal Reserve, European Central Bank, Bank of Canada

== Unit Converter ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• Converts back-and-forth and does calculation as well
• Supports 13 common categories: Area, Data, Energy, Force, Frequency, Length, Pressure, Speed, Temperature, Time, Volume, Weight, Others
• Covers 179 units of measurement, amounting to 3,135 conversions
• Supports both British Imperial and U.S. Customary
• Supports unit measurements in both Mainland China & Taiwan

== Support ==
• Website: http://www.calculatorcu.theequally.com
• Contact us: [email protected]

== Credits ==
UI designer: Cheryl S. Yee
UX designer: Cheryl S. Yee